Perhaps you should try some spelling variations:
"modified a predictor algorithm" » "modified a predators algorithm", "modified a predation algorithm", "modified _ predictor algorithm", "modified a prediction algorithm", "modified _ prediction algorithm", "modified df predictor algorithm", "modified adam predictor algorithm"
"modified time approximation algorithms" » "modified one approximation algorithms", "modified _ approximation algorithms", "modified bi1 approximation algorithms", "modified male approximation algorithms"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modified time approximation algorithms\") OR (\"modified a predictor algorithm\"))~".
• Removing quotes may allow a broader search: (( modified time approximation algorithms ) OR ( modified a predictor algorithm ))~.
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